Having learned about mastodon’s capabilities of being a ddos tool, I wonder: Are URL previews a dark pattern in itself?
I feel like you could argue they are, because they may seriously mislead you (a preview could be tailored in a malicious way), scale badly in a federated context (in the naïve case as implemented by mastodon) and responsibility for the problem is not as easily attributed. Should I as the user feel responsible?
It also shows that fundamental design decisions about software architecture are still very much a centralization problem. Or rather: They express the reality that somebody has to make a decision about these things. Having your own instance doesn’t change a thing about that. If the protocol defines link previews in this way you have to follow suit in order to be compliant. No way around that.
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